Volodin said merely discussing a plot to assassinate Putin was path to nuclear war and that Carlson's comments should be investigated further. State news agency Tass reported that Russia's parliament will appeal to U.S. Congress and the U.N. to investigate the claims.

Despite the losses, Russian troops are making progress on the front, which is why Putin's negotiating position is strengthening. In his style, he tries to impose the conditions for starting talks, says Prof.

The war between Russia and Ukraine, which enters its fourth year next month and shows no signs of ending, has killed more than 10,000 Ukrainian civilians, according to the United Nations.

The Ukraine conflict is the first major drone war in military history. Despite tactical losses on several parts along the line of contact, the Ukrainian military has continued to maintain strategic pressure on Russia by targeting and attacking major targets behind enemy lines.